## balances existentialDeposit: `u128` - **interface**: `balances.existentialDeposit` - **summary**: The minimum amount required to keep an account open. MUST BE GREATER THAN ZERO! maxFreezes: `u32` - **interface**: `balances.maxFreezes` - **summary**: The maximum number of individual freeze locks that can exist on an account at any time. maxLocks: `u32` - **interface**: `balances.maxLocks` - **summary**: The maximum number of locks that should exist on an account. Not strictly enforced, but used for weight estimation. maxReserves: `u32` - **interface**: `balances.maxReserves` - **summary**: The maximum number of named reserves that can exist on an account.